1. Words with hyphens i.e. re-air, semi-invalid vs semiofficial, second-rate
2. Words with spaces i.e. sellout vs sell out, jukebox
3.Commas when to use and when not to use
1. Words with hyphens i.e. re-air, semi-invalid vs semiofficial, second-rate
2. Words with spaces i.e. sellout vs sell out, jukebox
3.Commas when to use and when not to use